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Description

When I launch Project Navigator or the WebUpdate utility, it looks for an update on the Internet and then reports the error "Send Request Failed... encountered difficulty accessing ISE update on Xilinx Web site...".

Solution

This error occurs when Windows is not configured for your proxy settings. WebUpdate does not require special proxy settings, and it is not dependent on a specific Web browser. It does rely on the Internet Configuration Settings in Windows though, so if these were never configured through either the Internet Connection Wizard, or through Internet Explorer, then you will need to configure your proxy settings on your PC.

Even if you do not plan to use Internet Explorer for your Web Browser, the easiest way to configure Windows for these settings is to open Internet Explorer and choose from the menu Tools -> Internet Options -> Connections -> Lan Settings. At this dialog box you can choose to manually enter your Proxy Server or select the checkbox for "Automatically Detect Settings".